ShuriZma
/
xenia-canary
mirror of https://github.com/xenia-canary/xenia-canary.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Some parts of vector comparison.

This commit is contained in:
Ben Vanik 2014-01-26 22:25:28 -08:00
parent 6c6f10ad48
commit 234aa4f543
2 changed files with 133 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/alloy/backend/x64/lowering/lowering_sequences.cc
View File

@ -1167,7 +1167,7 @@ table->AddSequence(OPCODE_DID_SATURATE, [](X64Emitter& e, Instr*& i) {
table->AddSequence(OPCODE_VECTOR_COMPARE_EQ, [](X64Emitter& e, Instr*& i) {
if (IsVecType(i->dest->type)) {
UNIMPLEMENTED_SEQ();
VectorCompareXX(e, i, VECTOR_CMP_EQ, true);
} else {
ASSERT_INVALID_TYPE();
}
@ -1177,7 +1177,7 @@ table->AddSequence(OPCODE_VECTOR_COMPARE_EQ, [](X64Emitter& e, Instr*& i) {
table->AddSequence(OPCODE_VECTOR_COMPARE_SGT, [](X64Emitter& e, Instr*& i) {
if (IsVecType(i->dest->type)) {
UNIMPLEMENTED_SEQ();
VectorCompareXX(e, i, VECTOR_CMP_GT, true);
} else {
ASSERT_INVALID_TYPE();
}
@ -1187,7 +1187,7 @@ table->AddSequence(OPCODE_VECTOR_COMPARE_SGT, [](X64Emitter& e, Instr*& i) {
table->AddSequence(OPCODE_VECTOR_COMPARE_SGE, [](X64Emitter& e, Instr*& i) {
if (IsVecType(i->dest->type)) {
UNIMPLEMENTED_SEQ();
VectorCompareXX(e, i, VECTOR_CMP_GE, true);
} else {
ASSERT_INVALID_TYPE();
}
@ -1197,7 +1197,7 @@ table->AddSequence(OPCODE_VECTOR_COMPARE_SGE, [](X64Emitter& e, Instr*& i) {
table->AddSequence(OPCODE_VECTOR_COMPARE_UGT, [](X64Emitter& e, Instr*& i) {
if (IsVecType(i->dest->type)) {
UNIMPLEMENTED_SEQ();
VectorCompareXX(e, i, VECTOR_CMP_GT, false);
} else {
ASSERT_INVALID_TYPE();
}
@ -1207,7 +1207,7 @@ table->AddSequence(OPCODE_VECTOR_COMPARE_UGT, [](X64Emitter& e, Instr*& i) {
table->AddSequence(OPCODE_VECTOR_COMPARE_UGE, [](X64Emitter& e, Instr*& i) {
if (IsVecType(i->dest->type)) {
UNIMPLEMENTED_SEQ();
VectorCompareXX(e, i, VECTOR_CMP_GE, false);
} else {
ASSERT_INVALID_TYPE();
}

128
src/alloy/backend/x64/lowering/op_utils.inl
View File

@ -51,6 +51,7 @@ void CheckBoolean(X64Emitter& e, Value* v) {
}
}
// Compares src1 and src2 and calls the given fn to set a byte based on EFLAGS.
void CompareXX(X64Emitter& e, Instr*& i, void(set_fn)(X64Emitter& e, Reg8& dest, bool invert)) {
if (i->Match(SIG_TYPE_IGNORE, SIG_TYPE_I8, SIG_TYPE_I8)) {
Reg8 dest;
@ -160,6 +161,133 @@ void CompareXX(X64Emitter& e, Instr*& i, void(set_fn)(X64Emitter& e, Reg8& dest,
}
};
enum VectoreCompareOp {
VECTOR_CMP_EQ,
VECTOR_CMP_GT,
VECTOR_CMP_GE,
};
// Compares src1 to src2 with the given op and sets the dest.
// Dest will have each part set to all ones if the compare passes.
void VectorCompareXX(X64Emitter& e, Instr*& i, VectoreCompareOp op, bool as_signed) {
Xmm dest, src1, src2;
e.BeginOp(i->dest, dest, REG_DEST,
i->src1.value, src1, 0,
i->src2.value, src2, 0);
if (op == VECTOR_CMP_EQ) {
// Commutative, so simple.
Xmm real_src;
if (dest == src1) {
real_src = src2;
} else if (dest == src2) {
real_src = src1;
} else {
e.movaps(dest, src1);
real_src = src2;
}
if (i->flags == INT8_TYPE) {
e.pcmpeqb(dest, real_src);
} else if (i->flags == INT16_TYPE) {
e.pcmpeqw(dest, real_src);
} else if (i->flags == INT32_TYPE) {
e.pcmpeqd(dest, real_src);
} else if (i->flags == FLOAT32_TYPE) {
e.cmpeqps(dest, real_src);
} else {
ASSERT_INVALID_TYPE();
}
} else if (i->flags == FLOAT32_TYPE) {
// Float GT/GE must be emulated.
if (op == VECTOR_CMP_GT) {
// Have to swap: src2 < src1.
if (dest == src2) {
e.cmpltps(dest, src1);
} else if (dest == src1) {
e.movaps(e.xmm0, src1);
e.movaps(dest, src2);
e.cmpltps(dest, e.xmm0);
} else {
e.movaps(dest, src2);
e.cmpltps(dest, src1);
}
} else if (op == VECTOR_CMP_GE) {
// Have to swap: src2 <= src1.
if (dest == src2) {
e.cmpleps(dest, src1);
} else if (dest == src1) {
e.movaps(e.xmm0, src1);
e.movaps(dest, src2);
e.cmpleps(dest, e.xmm0);
} else {
e.movaps(dest, src2);
e.cmpleps(dest, src1);
}
} else {
ASSERT_INVALID_TYPE();
}
} else {
// Integer types are easier.
Xmm real_src;
if (dest == src1) {
real_src = src2;
} else if (dest == src2) {
e.movaps(e.xmm0, src2);
e.movaps(dest, src1);
real_src = e.xmm0;
} else {
e.movaps(dest, src1);
real_src = src2;
}
if (op == VECTOR_CMP_GT) {
if (i->flags == INT8_TYPE) {
if (as_signed) {
e.pcmpgtb(dest, real_src);
} else {
UNIMPLEMENTED_SEQ();
}
} else if (i->flags == INT16_TYPE) {
if (as_signed) {
e.pcmpgtw(dest, real_src);
} else {
UNIMPLEMENTED_SEQ();
}
} else if (i->flags == INT32_TYPE) {
if (as_signed) {
e.pcmpgtd(dest, real_src);
} else {
UNIMPLEMENTED_SEQ();
}
} else {
ASSERT_INVALID_TYPE();
}
} else if (op == VECTOR_CMP_GE) {
if (i->flags == INT8_TYPE) {
if (as_signed) {
UNIMPLEMENTED_SEQ();
} else {
UNIMPLEMENTED_SEQ();
}
} else if (i->flags == INT16_TYPE) {
if (as_signed) {
UNIMPLEMENTED_SEQ();
} else {
UNIMPLEMENTED_SEQ();
}
} else if (i->flags == INT32_TYPE) {
if (as_signed) {
UNIMPLEMENTED_SEQ();
} else {
UNIMPLEMENTED_SEQ();
}
} else {
ASSERT_INVALID_TYPE();
}
} else {
ASSERT_INVALID_TYPE();
}
}
e.EndOp(dest, src1, src2);
};
typedef void(v_fn)(X64Emitter& e, Instr& i, const Reg& dest_src);
template<typename T>
void IntUnaryOpV(X64Emitter& e, Instr*& i, v_fn v_fn,